It was ECD:
An El Al Boeing 777-200, registration 4X-ECD performing flight LY-319 from Tel Aviv (Israel) to Paris Charles de Gaulle (France) with 266 passengers, diverted to Sofia (Bulgaria) after the crew needed to shut an engine (Trent 895) down following a low oil pressure indication. The airplane landed safely in Sofia.
The passengers were taken to local hotels. A replacement Sun d Or Boeing 757-200 registration 4X-EBM was dispatched to Sofia and is estimated to reach Paris with a delay of 10:45 hours.
(The aviation Herald)